17 Feb 1998, 23:27:42 (UT)
 
P=-18.32, B0=-6.95, L0=11.47, radius=972.6"
obs radius = 867.3 (pixel), RMS=54.07 10^-4 I_c
 
     ***** Observed Sunspot Parameters *****
     ---------------------------------------------------------------
                                     10^-6 hemisphere     -10^-2 I_c
      No.   position       cos(t)    ap_area    co_area    darkness
     ---------------------------------------------------------------
       1: S24.87 W26.13,   0.859,    941.58,    547.86,      46213
       2: S25.38 W19.35,   0.897,    185.78,    103.44,       4233
       3: S26.37 W16.41,   0.906,      9.30,      5.13,         78
       4: S24.27 W21.89,   0.889,     14.38,      8.08,        129
       5: S26.21 W16.70,   0.906,      1.26,      0.70,         11
       6: S24.26 W17.33,   0.913,    235.28,    128.78,       5499
       7: N21.67 E8.558,   0.867,     47.38,     27.31,        512
       8: N23.04 E13.48,   0.840,     51.20,     30.44,        568
      Umbra only
       9: S24.88 W26.18,   0.858,    480.74,    279.83,      36473
      10: S25.39 W19.38,   0.897,     23.68,     13.19,       1028
      11: S24.27 W17.39,   0.913,     38.50,     21.08,       1719
     ---------------------------------------------------------------
    * = False spots
     ----------------------------------------
                10^-6 hemisphere  -10^-2 I_c
     Region     ap_area  co_area  darkness 
 
     North       98.58    57.76      1080
 
     South     1387.58   794.01     56163
 
     Whole     1486.16   851.78     57243
 
     ----------------------------------------
 
 
     *****   Relative Sunspot Numbers   ***** 
     ------------------------------------------
     Region     g           f         10*g + f 
     ------------------------------------------
 
     North     -1           2          -8
 
     South     -1           9          -1
 
     Whole     -1          11           1
 
     ------------------------------------------
 
     Center    -1          -1         -11
 
     Seeing    -1